Feed system filters for a hot melt system

A feed system for a hot melt system, the feed system comprising:

• a hopper for storing hot melt pellets;
• a delivery line extending from the hopper;
• a feeder coupled to the delivery line within the hopper to move hot melt pellets from the hopper to a hot melt dispensing system;
• and
• a filter;
• wherein the hopper, the delivery line and the feeder define a feed circuit and the filter is disposed in the feed circuit to remove solid contaminants from the feed system.

A filtration system for a hot melt adhesive system, the filtration system comprising:

• a hopper for storing solid pellets, the hopper comprising:
• a lower bottom;
• a sidewall;
• and
• an upper opening;
• a feed tube extending from the hopper at a first end to outside the hopper at a second end;
• a vacuum feeder coupled to the first end of the feed tube to draw solid pellets from the hopper through the feed tube;
• and
• a filter positioned between the upper opening and the second end of the feed tube to remove solid contaminants from the solid pellets.